")READ CARRIER ,Of the yellow
'ever virus,
the
female
Aedes
<;egyptr mosquito
(facing
page)
nas
no
trouble
jabbing
the
needlelike
central
shaft
con
#;ealed
in its scaly
proboscis
in
and
out
of
human
skin
to obtain
the
blood
it needs
to
survive.
Not so
with
the
worker
bee,
whose
stinger-
(above
left)
isa
;rare-rn-a-lifetime
defense.
Since
lie barbed
harpoon
cannot be
vithdrawn,
the
bee's entire
ah
Jomen
ie torn
out
wn+
r
at
tempts to Pull
away.
he surrealist
landscape
of
bee's
back
(left) was contributed
along
with
several
other
photo
m
u
4
Iraphs
for
this
art=. e,
by re
search photographer
and
artist
Ilk
David
Scharf
of
California.
Though
many
researchers
work
ng withthe SEM
^_
must
kitl their
specimens through
u9
preparation
techniques.
Scarf
has
per
.
t'ected
methods
enabling him to
examine
live insects.
By lowering
the energy of the electron
beam
and
adjusting
the
system
for
maximum
sensitivity,
he is able
to produce
images
remarkable
r
n
their
resolution
of
detail
and three-dimensionality.
Some
specimens
are
returned
to his
garden---stunned,
but
alive.
jOHN MA15, PETER B. ARMSTRONG, AND D W. DEAMFR, i N Fk ; 7
AVFC:'?ti!
.
PW S.
,10 Y iTOPI.
220 X
_,
tom'